<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body></body>
  <script>
    function User() {
      this.name = "1233";
    }
    const user = new User();
    User.prototype.$axios = { name: "axios" };
    console.log(user.name);
    console.log(user.$axios.name);
  </script>
</html>
